Search found 29 matches

by spookyone
Tue Dec 12, 2017 12:37 pm
Forum: for sale / freebies
Topic: Beeb "Ashtray" Cover
Replies: 0
Views: 451

Beeb "Ashtray" Cover

I have 3D printed keyboard ROM slot (aka "Ashtray") covers for sale:

http://www.dandelionlabs.co.uk/beebcover.html
by spookyone
Mon Sep 18, 2017 3:06 pm
Forum: hardware
Topic: BBC SD Card on Ebay
Replies: 12
Views: 1565

Re: BBC SD Card on Ebay

Ok, I'm the one selling these SD card drives. I did ask Duikkie's permission to use the SMART SPI ROM and he told me it was in the public domain. So there are no issues there. As someone else pointed out, they are reasonably priced and I'm not making a great deal of profit from them. I'm sorry if so...
by spookyone
Sat Jul 29, 2017 7:34 am
Forum: hardware
Topic: Beeb WiFi SD Card
Replies: 9
Views: 1200

Re: Beeb WiFi SD Card

Circuit diagram - this is first draft of the circuit -it works, but it needs improvement:
BBC_WiFi_SDCard_schem.png
by spookyone
Sat Jul 29, 2017 6:51 am
Forum: hardware
Topic: Beeb WiFi SD Card
Replies: 9
Views: 1200

Re: Beeb WiFi SD Card

OK Guys, First source code commit: https://github.com/spookyconnection899/Beeb_WIFI_SD - This is very much a work in progress - provided as is and without warranty - don't blame me if it screws up your .mmb file or runs off with your girlfriend! :wink: Breadboard prototype: CIMG0376.JPG Circuit diag...
by spookyone
Wed Jul 26, 2017 11:40 am
Forum: hardware
Topic: Beeb WiFi SD Card
Replies: 9
Views: 1200

Re: Beeb WiFi SD Card

Basically, I'm using an esp8266 as a webserver which switches control of the usual user port SD Card between the beeb and the esp8266. Usually the beeb has control of the SD Card, but when a file needs to be uploaded the esp8266 takes control, uploads the file, then switches control back to the beeb...
by spookyone
Tue Jul 25, 2017 1:01 pm
Forum: hardware
Topic: Beeb WiFi SD Card
Replies: 9
Views: 1200

Beeb WiFi SD Card

After a brief discussion with duikkie and chinnyhill10 on another thread, I've started to experiment with designing a WiFi SD Card drive for the beeb. So far the results are encouraging - the basic hardware works, but I've still got a lot of work to do creating the web GUI. If all goes well I'll mak...
by spookyone
Tue Jul 18, 2017 10:32 pm
Forum: hardware
Topic: How to modify your MMC Games Menu
Replies: 18
Views: 3225

Re: How to modify your MMC Games Menu

Yes - I'm thinking about using the esp8266, I'll start a new thread about it once I've done a bit of experimenting :)
by spookyone
Tue Jul 18, 2017 1:54 pm
Forum: hardware
Topic: How to modify your MMC Games Menu
Replies: 18
Views: 3225

Re: How to modify your MMC Games Menu

I had a quick look at this - I suspect it's using a simple compression algorithm to store the data. I might have a go at porting the Access DB+VBA to an open format using Openoffice/LibreOffice Base.

I also might have a look at making a WiFi/SDCard interface like chinnyhill10 mentioned.
by spookyone
Mon Jul 10, 2017 8:58 pm
Forum: software: other
Topic: with little shame update smartest1613
Replies: 168
Views: 18093

Re: with little shame update smartest1613

So, a kind of native DOS FAT support for the Beeb? - that would be good.
by spookyone
Mon Jul 10, 2017 8:47 pm
Forum: software: other
Topic: .MMB Disk Manager for Linux
Replies: 9
Views: 1589

Re: UPDATED .MMB Disk Manager for Linux

I've uploaded a new version of the Linux MMB Disk Manager to GitHub. The new version allows editing of the .SSD file catalogues within the .MMB - Load/Exec addresses, Boot options etc can be changed and individual files imported and exported (compatible with FSManager). MMB_Disk_Manager.png I've don...
by spookyone
Mon Jul 10, 2017 11:22 am
Forum: software: other
Topic: with little shame update smartest1613
Replies: 168
Views: 18093

Re: with little shame update smartest1613

Thanks Duikkie!

I certainly will be looking out for your future projects - the USER/TUBE DOS sounds interesting - how will that work?

Jason.
by spookyone
Sun Jul 09, 2017 5:30 pm
Forum: software: other
Topic: with little shame update smartest1613
Replies: 168
Views: 18093

Re: with little shame update smartest1613

Duikkie, I recently made an SDCard drive for my beeb using your great Smart SPI rom & I'm really pleased with it. Now someone has asked if I would be willing to sell some of these card readers. Therefore I was wondering if I could have your permission to supply the card readers with your Smart SPI r...
by spookyone
Mon May 29, 2017 1:21 pm
Forum: hardware
Topic: Master fault finding
Replies: 14
Views: 998

Re: Master fault finding

OK, Thanks! I'll e-mail Mark and see if he can help me.
by spookyone
Mon May 29, 2017 12:25 pm
Forum: hardware
Topic: Master fault finding
Replies: 14
Views: 998

Re: Master fault finding

OK, I had a poke around the VIAs and associated logic and found a problem with the 'B' data bus (BD0-BD7) - There was a lot of noise on BD0-BD5 (a 1v peak sawtooth wave superimposed on the signal) - this turned out to be a faulty IC4 (LS174). A bigger problem is that BD6 is stuck high, and after iso...
by spookyone
Sun May 28, 2017 6:56 pm
Forum: hardware
Topic: Master fault finding
Replies: 14
Views: 998

Re: Master fault finding

I've no spare 6522s - I'd have to order some. Is it common for 6522s to fail?
by spookyone
Sun May 28, 2017 2:52 pm
Forum: hardware
Topic: Master fault finding
Replies: 14
Views: 998

Re: Master fault finding

I'm not sure it's even getting as far as checking the keyboard (VIA A does not appear to be enabled) - but I'll check the keyswitches any way (no spare keyboard to swap out!)
by spookyone
Sun May 28, 2017 2:05 pm
Forum: hardware
Topic: Master fault finding
Replies: 14
Views: 998

Re: Master fault finding

I've read the ROM with my home-made EPROM/EEPROM read/writer, and did a comparison with another ROM image and it looks OK. There is activity on the CPU address and data lines - so I assume it's reading something!
I don't have a know good ROM to swap out though.
by spookyone
Sun May 28, 2017 1:59 pm
Forum: hardware
Topic: Master fault finding
Replies: 14
Views: 998

Re: Master fault finding

Yes, - no effect.
by spookyone
Sun May 28, 2017 1:42 pm
Forum: hardware
Topic: Master fault finding
Replies: 14
Views: 998

Master fault finding

OK, I recently bought a non-working Master and I'm trying to figure out what's wrong with it, but I could use some advice! The symptoms: Continuous beep, no video, power & caps lock leds on. I've done the following test so far, with guidance from the Master service manual: Main 16Mhz clock OK, 1,2,4...
by spookyone
Wed May 24, 2017 5:46 pm
Forum: hardware
Topic: BBC Master ROM
Replies: 5
Views: 550

Re: BBC Master ROM

OK, I'll go with hoglet's suggestion that it's an early ROM version with a factory fix.

Thanks everyone - now on with the fault finding!
by spookyone
Wed May 24, 2017 2:54 pm
Forum: hardware
Topic: BBC Master ROM
Replies: 5
Views: 550

BBC Master ROM

Hi All, I've just bought a Master 128 (a non-worker - long beep, no video on boot) for repair - I'm not particularly familiar with Master and I'm a little uncertain about the system ROM that is installed in it: CIMG0354.JPG It has the ROM IC on top and a 74LS04 mounted underneath. Is this a normal R...
by spookyone
Wed May 17, 2017 10:06 am
Forum: software: other
Topic: .MMB Disk Manager for Linux
Replies: 9
Views: 1589

Re: .MMB Disk Manager for Linux

OK, I've now added install instructions (for those using apt-get) including dependencies information.

I shall soon be updating this app to include a SSD catalogue editor, so things like Boot Option, Load and Exec address can be edited, as well as importing and exporting individual files.
by spookyone
Wed May 10, 2017 1:48 pm
Forum: software: other
Topic: .MMB Disk Manager for Linux
Replies: 9
Views: 1589

Re: .MMB Disk Manager for Linux

Coeus,

I'm not sure, but think you'll need gambas3-runtime, gambas3-gb-form, gambas3-gb-image and possibly gambas3-gb-qt4.
Let me know how you get along with that.

Thanks.
by spookyone
Tue May 09, 2017 6:55 pm
Forum: software: other
Topic: .MMB Disk Manager for Linux
Replies: 9
Views: 1589

Re: .MMB Disk Manager for Linux

It's the first time I've tried to distribute a Gambas3 application - looking closer at the documentation, it appears that the runtime doesn't support qt4, which is needed by the app. Sorry about that!
by spookyone
Mon May 08, 2017 9:37 pm
Forum: software: other
Topic: .MMB Disk Manager for Linux
Replies: 9
Views: 1589

.MMB Disk Manager for Linux

Hi Everyone, After struggling to get Martin Mather's MMBImager working reliably under Wine on Linux, I decided to write my own .MMB manager for Linux: MMB_Disk_Manager.png It's written using Gambas3 (http://gambas.sourceforge.net/) and as such requires the gambas3-runtime to work (in the repositorie...
by spookyone
Sun May 07, 2017 9:34 pm
Forum: hardware
Topic: Wii nunchuck joystick
Replies: 6
Views: 975

Re: Wii nunchuck joystick

I've found out a bit more about two nunchucks on the I2C bus (I incorrectly said SPI before): http://www.wiimoteproject.com/tech-chat/2-nunchuck-with-arduino-help/ I've tried this out and it appears to work - although I can only test one nunchuck at a time until I've got another adapter. BTW, it loo...
by spookyone
Fri May 05, 2017 8:49 pm
Forum: hardware
Topic: Wii nunchuck joystick
Replies: 6
Views: 975

Re: Wii nunchuck joystick

Yes, that looks like it might work - however I've only got one nunchuck/adapter at the moment!
by spookyone
Fri May 05, 2017 7:48 pm
Forum: hardware
Topic: Wii nunchuck joystick
Replies: 6
Views: 975

Re: Wii nunchuck joystick

Sydney,
I haven't looked at hooking up two nunchucks, however the lack of a slave select line would mean two separate SPI interfaces would be needed (I think!)

I've got the nunchuck hooked up to the analogue port - using the PWM signal with just a voltage divider seem to work fine.
by spookyone
Fri May 05, 2017 7:20 pm
Forum: hardware
Topic: Wii nunchuck joystick
Replies: 6
Views: 975

Wii nunchuck joystick

Hi Everyone! I'm new to the forum and I thought I'd start by posting about this little project I'm working on - I'm using an arduino (ATMEGA168) to interface a Wii nunchuck joystick to my Model B. I'm just at the development stage at the moment (see attached photo), but it basically works. Once I'm ...